What is the Greatest Common Factor of 55978 and 55988?

Greatest common factor (GCF) of 55978 and 55988 is 2.

GCF(55978,55988) = 2

We will now calculate the prime factors of 55978 and 55988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55978 and 55988.

How to find the GCF of 55978 and 55988?

We will first find the prime factorization of 55978 and 55988. After we will calculate the factors of 55978 and 55988 and find the biggest common factor number .

Step-1: Prime Factorization of 55978

Prime factors of 55978 are 2, 13, 2153. Prime factorization of 55978 in exponential form is:

55978 = 2¹ × 13¹ × 2153¹

Step-2: Prime Factorization of 55988

Prime factors of 55988 are 2, 13997. Prime factorization of 55988 in exponential form is:

55988 = 2² × 13997¹

Step-3: Factors of 55978

List of positive integer factors of 55978 that divides 55978 without a remainder.

1, 2, 13, 26, 2153, 4306, 27989

Step-4: Factors of 55988

List of positive integer factors of 55988 that divides 55978 without a remainder.

1, 2, 4, 13997, 27994

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55978 and 55988. The biggest common factor number is the GCF number.
So the greatest common factor 55978 and 55988 is 2.

Also check out the Least Common Multiple of 55978 and 55988